Microfluidic 3Dresyn® MF R-ULV1 Clear is an ultra low viscosity rigid photopolymer designed for microfluidic applications requiring maximum flowability and efficient microchannel evacuation, while maintaining adequate mechanical integrity and high-resolution performance.



Microfluidic 3Dresyn MF R-ULV1 Clear rigid with ultra low viscosity for ultra thin microchannels
Product description
Application framework
Designed for use in SLA, DLP, LCD and advanced 3D lithography systems within professional and research environments. Suitable for fabrication of microfluidic devices where ultra low viscosity is critical for cleaning fine internal geometries and microchannels.
Typical applications
- Microfluidic devices and lab-on-chip systems
- Organ-on-chip platforms
- Microreactors and analytical microdevices
- High precision microchannel structures
- Vacuum-compatible microfabricated components
Mechanical properties
- Tensile strength: <15 MPa (ISO 527)
- Flexural strength: <20 MPa (ISO 178)
- Young’s modulus: <1500 MPa (ISO 527)
- Elongation at yield: <20% (ISO 527)
- Shore hardness: D70–75 (ISO 868)
Physical properties
- Density: 0.90–1.20 g/cm³, depending on formulation and, where applicable, selected version (ISO 1675)
- Viscosity: <350 mPas at 23°C ± 2°C (ISO 3219)
- Ultra low viscosity (R-ULV) formulation for efficient microchannel evacuation
- Ultra low viscosity facilitates cleaning of ultra-fine microchannels
- Ultra low viscosity for efficient microchannel evacuation
Thermal properties
- Heat deflection temperature (HDT): <60 °C @ 0.45 MPa (ISO 75)
Functional performance characteristics
- Rigid material behavior with moderate stiffness
- Designed for microfluidic (“MF”) applications and microchannel fabrication
- Clear, non-yellowing optical appearance
- Very high resolution with no light bleeding
- Precision down to ~5 µm (SLA/DLP/LCD) and up to ~100 nm (3D lithography)
- Chemically inert and hydrophobic (ULWA grade)
- Very low water absorption
- VOC-free formulation suitable for vacuum environments
- Low extractables and leachables for reduced cross-contamination risk
- Biocompatible-grade formulation
- Low tendency to gel beyond specification limits
- Durable with low shrinkage
- Organo-tin free formulation
Processing and handling performance
- Compatible with SLA, DLP, LCD and advanced 3D lithography systems
- Suitable for high-resolution exposure strategies with controlled curing depth
- Recommended for use in controlled laboratory environments
- Supports fabrication of complex internal geometries with high fidelity
- Avoid direct printing on the build platform without supports to prevent breakage
Testing & processing disclaimer
Material performance depends on printer type, exposure conditions, geometry, cleaning protocols and post-processing. Microfluidic functionality, chemical compatibility and biological performance must be validated by the user for each specific application.
Why choose Microfluidic 3Dresyn® MF R-ULV1 Clear
- High resolution down to micro and nano scale
- Clear, non-yellowing optical performance
- Chemically inert and hydrophobic (ULWA)
- VOC-free and suitable for vacuum environments
- Low extractables for reduced contamination risk
- Compatible with multiple high-resolution printing technologies
Regulatory & legal notice
This material is supplied as a professional manufacturing material and is not marketed as a finished product. Final validation for microfluidic performance, biological interaction and application-specific requirements remains the responsibility of the user.
Related microfluidic routes
Use these related 3Dresyns pages to navigate adjacent material and process routes within the same technical workflow.
Technical Documentation System
This technical datasheet should be used together with the relevant processing, calibration, safety and workflow documentation available in the 3Dresyns® Resources section.
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